Because ports is a node of transport chain and can be viewed as a part of value added chain.

因为港口是一个节点的传输链，并可以被看作是价值增值链的一部分。

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Low points out, Thailand's poor education system — only about 30% of teenagers go on to secondary school, half the rate in Malaysia — will hobble its ability to move up the value-added chain.

罗指出，泰国的教育体制不良——就读中学的青少年大约只有30%，是马来西亚的一半——将会妨碍它的高附加值产业的升级。

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Supply chain is not only a simple chain that join the supplier to customer, but also a value-added chain that the materiel can add its value from the stage of processing, packaging, and transporting.

供应链不仅是一条联接供应商到顾客的物料链，而且是一条增值链，物料在供应链上因加工、包装、运输等过程而增加其价值。

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The world isn't big enough for China to rise up the value-added chain without generating domestic consumer spending.

WSJ: Diana Choyleva: China Is Too Large for Its Own Good

China's huge size means that to maintain stellar growth rates, the economy needs to move up the value-added chain fast and grab more export market share.

WSJ: Diana Choyleva: China Is Too Large for Its Own Good

The company said the Japan disaster had added to supply chain problems, while profits from its European division were also below expectations.

BBC: Pace shares fall 40% on profit warning linked to Japan